How to transfer your old Hue lights to your new HomeKit bridge

I've been using Hue lights from Philips for a while now so when the new, HomeKit-compatible bridge came out, I jumped on it. Serenity Caldwell has already shown you how to get started with HomeKit and Hue, but if you're upgrading, you're going to need to know how to transfer. It's not difficult, but I'll walk you through it just so you don't have to worry about any surprises.